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TPS54302: 100% dutty cycle

Alberto Celso Kerr Affini
Prodigy 10 points
Part Number: TPS54302

My dc input voltage has a range from 10 to 16V. The output range is 10 to 12V. 

When the TPS54302 duty cycle is 100% the High Side  MOSFET is trully ON and the output is equal to input?

The current limit works?

Tks

  • 0
    TI__Genius 10070 points

    Hi,

    Yes, the output voltage is a little lower than input voltage. The high side FET is not always on, when BOOT UVLO is triggered, the high side FET turns off and low side FET turns on to charge the boot capacitor.

    Of cause, the current limit works.

    Shawn